Base | Representation |
---|---|
bin | 1110101010100… |
… | …10010000100101 |
3 | 22120111002011100 |
4 | 13111102100211 |
5 | 222443122300 |
6 | 20112430313 |
7 | 3022440561 |
oct | 725222045 |
9 | 276432140 |
10 | 123020325 |
11 | 63494a9a |
12 | 35248399 |
13 | 1c6438bc |
14 | 124a46a1 |
15 | ac00700 |
hex | 7552425 |
123020325 has 36 divisors (see below), whose sum is σ = 221101920. Its totient is φ = 65385120.
The previous prime is 123020311. The next prime is 123020327. The reversal of 123020325 is 523020321.
It is not a de Polignac number, because 123020325 - 24 = 123020309 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 123020298 and 123020307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123020327) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 80014 + ... + 81536.
It is an arithmetic number, because the mean of its divisors is an integer number (6141720).
Almost surely, 2123020325 is an apocalyptic number.
123020325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
123020325 is a deficient number, since it is larger than the sum of its proper divisors (98081595).
123020325 is a wasteful number, since it uses less digits than its factorization.
123020325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1898 (or 1890 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 123020325 is about 11091.4527903246. The cubic root of 123020325 is about 497.3463747947.
Adding to 123020325 its reverse (523020321), we get a palindrome (646040646).
The spelling of 123020325 in words is "one hundred twenty-three million, twenty thousand, three hundred twenty-five".
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